Start-Up And Configuration; Dip Switch Setting; Access To Service Menu (For Serviceman) - Ferroli OMNIA ST 3.2 Manuel D'installation, D'utilisation Et D'entretien

exchange their value.
9.2 DIP switch settings overview
9.2.1 Function setting

9. START-UP AND CONFIGURATION

The unit should be configured by the installer to match the installation environment (outdoor climate, installed options, etc.) and user expertise.
DIP switch S1,S2 is located on the indoor unit main control board (see "8.3.1 main control board of indoor unit") and allows
configuration of additional heating source thermistor installation, the second inner backup heater installation, etc.

9.1 Dip switch setting

DIP switch S1,S2 is located on the indoor unit electronic hydronc board (refer to "fig. 21 - Hydronic board" on page 100) and allows configuration of additional heating
source thermistor installation, the second inner backup heater installation, etc.
Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch
WARNING
settings.
Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch settings.
DIP switch
1/2
S1
3/4
DIP switch
1
2
S2
3/4
DIP switch
1
2
S4
3/4
NOTE
* : to setup OFF with DHW boiler electrical heater accessory.

9.1.1 Access to Service menu (For Serviceman)

User menù > For Serviceman
This menù is dedicated to service and installer to setup the control of system.
The password to access to the service menù is 1234.
Important: When accessing the service menu, the "HEAT / COOL and DHW" functions are forced to OFF.
When exiting the service menu, the "HEAT / COOL and DHW" functions must be switched on again manually.
All the service parameters are shown in the following table.
116
EN
WARNING
1 2 3 4 1
S1
ON=1
0/0=3kW IBH(One-stage control)
43
0/1=6kW IBH(Two-stage control)
1/1=9kW IBH(Three-stage control)
0/0=Without IBH and AHS
1/0=With IBH
0/1=With AHS for heat mode
1/1=With AHS for heat mode and DHW mode
ON=1
Start pumpo after six hours will be invalid
without TBH
0/0=variable speed pump,Max head: 8.5m(GRUNDFOS)
0/1=constant speed pump(WILO)
1/0=variable speed pump,Max head: 10.5m(GRUNDFOS)
1/1=variable speed pump,Max head: 9.0m(WILO)
ON=1
Reserved
Reserved
Reserved
Cod. 3541V991 - Rev. 01 - 10/2021
2 3 4 1 2
S2 S4
OFF=0
OFF=0
Start pumpo after
six hours will be valid
with TBH
OFF=0
Reserved
Reserved
OMNIA ST 3.2
3 4
Factory defauts
OFF / OFF
ON / OFF
Factory defauts
OFF
ON *
ON / ON
Factory defauts
OFF
OFF
OFF / OFF